1345100452 has 48 divisors (see below), whose sum is σ = 2534837760. Its totient is φ = 622282752.

The previous prime is 1345100443. The next prime is 1345100453. The reversal of 1345100452 is 2540015431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1345100453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809993 + ... + 1810735.

It is an arithmetic number, because the mean of its divisors is an integer number (52809120).

Almost surely, 2^1345100452 is an apocalyptic number.

It is an amenable number.

1345100452 is a deficient number, since it is larger than the sum of its proper divisors (1189737308).

1345100452 is a wasteful number, since it uses less digits than its factorization.

1345100452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1345100452 is about 36675.6111332858. The cubic root of 1345100452 is about 1103.8707851728.

Adding to 1345100452 its reverse (2540015431), we get a palindrome (3885115883).

The spelling of 1345100452 in words is "one billion, three hundred forty-five million, one hundred thousand, four hundred fifty-two".